Important: Do not reuse the valve cover gasket or the valve rocker arm cover bolt
grommets.
- Install the NEW valve rocker arm cover gasket into the groove of the
valve rocker arm cover.
- Install the NEW valve rocker arm cover bolt grommets into the
valve rocker arm cover.
- Install the valve rocker
arm cover onto the cylinder head.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the valve
rocker arm cover bolts.
Tighten
Tighten the valve rocker arm cover bolts to 12 N·m (106 lb in).
- Reposition the engine
wiring harness.
- Reposition the heater hoses.
- Install the heater hose bracket bolt.
Tighten
Tighten the bracket bolt to 25 N·m (18 lb ft).
- Install the AIR pipe assembly
to the exhaust manifold. Refer to
Secondary Air Injection Check Valve and Check Valve Pipe Replacement - Bank 2
in Engine
Controls - 4.3L.
- Connect the AIR pipe assembly to the AIR pump and the AIR crossover
pipe.
- Align the hinge clip with
the lip on the throttle body.
Install the air inlet tube and resonator to the throttle body by pivoting
the air inlet tube and resonator downward until the mounting stud is through
the hole in the air inlet tube.
- Install the resonator
retaining wing nut.
- Connect the PCV hose to the air cleaner outlet duct.
- Connect the MAF/IAT sensor
assembly harness connector.